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Plane and Solid Geometry: To Which Is Added Plane and Spherical Trigonometry ...
George Roberts Perkins
No preview available - 2016
a+b+c ABCD altitude base become called centre chord circle circumference circumscribed column common cone consequently constructed corresponding Cosine Cotang cylinder denote described diameter difference distance divided draw drawn equal equation equivalent example expression faces feet figure follows formula four given gives greater half height hence inches included inscribed intersection join less logarithm manner measure meet multiplied obtain opposite parallel parallelogram parallelopipedon pass perimeter perpendicular plane polyedral angle polygon positive prism PROBLEM proportion pyramid radii radius ratio rectangle regular respectively right angles RULE Scholium sector sides similar Sine solid sphere spherical triangle square straight line subtract suppose surface taken Tang tangent THEOREM third triangle triangle ABC unit volume